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3 port settings in a container network instance serviceThe concepts of these ports are easily confusing, such as creating a service like this:[Plain]View PlainCopy Apiversion:v1 Kind:service Metadata Labels Name:app1 Name:app1 Namespace:default Spec Type:nodeport Ports - targetport:8080 Nodeport:30062 Selector Name:app1 PortThe port, the

STP determines each switch port (specified port: DP; root port: RP; Blocked port: AP)Judgment steps:1. Election of the root switch:Judging object: Select one of all switches running the STP protocol;Judging by: The switch selects the bridge ID value (switch priority +MAC) The smallest switch as the root bridge in the n

1. In Windows, query the port occupation and clearing the port occupation programs 1. query the process ID occupied by the port Click "start" --> "run", enter "cmd", and click "OK" to enter the DOS window. Then run the following commands respectively: Netstat-a-n port usageNetstat-ano

Use the debug serial port as a common serial port (only for debugging and testing), and the serial port is limited Use the debug serial port as a Common Serial Port December 10, 2014 Navigation Guidance and Control Laboratory Reprinted Please note: http://blog.csdn.net/wang

about the the Port ( This port is Tomcat 's listening port ) The problem is already being consumed by other programs This shows port ( This port is tomcat listening port ) already occupied by other programs , firs

Configure port forwarding in Centos to forward port 80 requests to port 8080 Apache is deployed in Linux. To ensure security, we use a non-root user to start the service. However, when binding a domain name, we cannot directly access port 80. As we all know, in unix, non-root users cannot listen to the

The ing function is mainly used to allow the Internet to access the computer currently mapped. First, we need to map the vro ports. Common open ports include 80, 21, and 3389, port 80 is a common port for websites, port 21 is a common port for FTP servers, and port 3389 is a

Linux has a port of less than 1024 that requires root to bind. It is unwise to start Tomcat with root permissions, you can start Tomcat listening on port 8080 using non-root privileges, and then use port forwarding to monitor for port 80. Port forwarding: # iptables-t nat-a

In Linux, the iptables firewall releases the port to reject the port and view the opened port. I use fedora 14. 1. view the port enabled by iptables firewall:/etc/init. d/iptables status [Root @ hzswtb2-mpc ~] #/Etc/rc. d/init. d/iptables status or service iptables statusTable: filterChain INPUT (policy ACCEPT)Num targ

In Linux, port 80, port 8080, or port linux8080 is enabled. Only port 22 is enabled when the system is loaded. After Nginx + php + mysql is installed, the website cannot be accessed. Iptables-L-n Check the firewall settings and find that port 80 is not enabled The Linux

Today on the local computer Win7 X64, several sites have been created to test the web, because multiple sites, so the bound port is not 80, but 8012, 8013 and so on.Once configured, it is common to add these ports to the firewall's inbound rules. But found, still can not access, magic.Later found that the local machine installed a filter ads software Adsafe, guess will be it in mischief, so, will it quit, and then, you can normally visit my site!Pit A

A port of less than 1024 Linux requires root to bind.Root permission to start Tomcat is unwise, you can use non-root permissions to start Tomcat listening on port 8080, and then use port forwarding to implement 80 port monitoring.Port forwarding: the 8080-A prerouting add a new rule-P Check TCP protocol--dport 80 speci

In the first article, I believe that many people can do this without reading it. However, anyone who has used the Microsoft SerialPort class has encountered this embarrassment. When the serial port is closed, the software will be deadlocked. Oh, my God, I am not so arrogant. Forget it. Don't be so absolute. 99.9% of people have encountered this problem. I think only half of them actually solve the problem. The other half closed their eyes and hoped th

Analog serial port Driver Based on Listen 8 common IO port The format of standard serial communication data is:Start bit (1) + Data bit (8) + check bit (1) + stop bit (1) Another important part of serial communication is to set the baud rate,The baud rate is the number of bits transmitted by the serial port within one second. Sampling frequency:In ord

Use the accelerator key win+r to open the Run window. Enter CMD return to open a command prompt window 1: View the port that is open for this machine, that is, the number of ports that have been occupied. Command: Netstat-an Partial results list: Proto Local Address ForeignTCP 0.0.0.0:135 0.0.0.0:0 ListeningTCP 0.0.0.0:3473 0.0.0.0:0 ListeningTCP 0.0.0.0:8009 0.0.0.0:0 Listening The local addresss corresponds to this column, ":" is the open